Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	Smad4
Human P-Site:	T77
P-Site Sequence:	KCVTIQRTLDGRLQV
UniProt:	Q13485
Intern. Prot. ID:	IPI00013404

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad4	Q13485	T77	KCVTIQRTLDGRLQV	100 / 9 AA	60
Phosphosite 1:	Smad5	Q99717	S71	KCVTIPRSLDGRLQV	77 / 9 AA	52
Phosphosite 2:	SMAD1	Q15797	S70	NCVTIPRSLDGRLQV	77 / 9 AA	52
Phosphosite 3:	SMAD3	P84022	S70	KCITIPRSLDGRLQV	77 / 9 AA	48
Phosphosite 4:	Smad8	O15198	S74	KCVTIPRSLDGRLQV	77 / 9 AA	52
Phosphosite 5:	OAS2	P29728	S123	NNFEIQKSLDGFTIQ	71 / 7 AA	82
Phosphosite 6:	C1orf89	Q9BU20	T217	RRLADGRTLDGRAGL	100 / 6 AA	28
Phosphosite 7:	CPT1B	Q92523	Y188	VSATIQRYLESVRPL	62 / 8 AA	88
Phosphosite 8:	FASN	P49327	T879	DHYLVDHTLDGRVLF	62 / 8 AA	273
Phosphosite 9:	PAK6	Q9NQU5	T535	KSDSILLTLDGRVKL	66 / 9 AA	75
Phosphosite 10:	GRM4	Q14833	T734	VDFQDQRTLDPRFAR	85 / 7 AA	102
Phosphosite 11:	LLGL2	Q6P1M3	T993	VLKEIQSTLEGDRGS	71 / 7 AA	113
Phosphosite 12:	KIAA0146	Q14159	T290	QCISYQKTLSGRKSG	55 / 9 AA	100
Phosphosite 13:	C19orf47	Q8N9M1	T388	VKVTIKRTLVGPRGS	66 / 9 AA	45
Phosphosite 14:	ADAM23	O75077	T252	RPHIIQKTLAGQYSK	62 / 8 AA	92
Phosphosite 15:	NEIL2	Q969S2	T97	GEPSGQKTLDGSSRS	71 / 7 AA	37
Phosphosite 16:	KCTD19	Q17RG1	T310	GQLRIESTLDGSRLY	71 / 7 AA	105
Phosphosite 17:	HS3ST6	Q96QI5	T144	YRSLMPRTLDGQITM	62 / 8 AA	37
Phosphosite 18:	KCTD19	Q17RG1	S309	LGQLRIESTLDGSRL	71 / 7 AA	105
Phosphosite 19:	STX7	O15400	T35	CSVEIQRTLNQLGTP	83 / 6 AA	30
Phosphosite 20:	NRTN	Q99748	T46	PLHRLPRTLDARIAR	62 / 8 AA	22